Externally exposed parse function.

Auxilliary dictionaries for mapping the generated ObjectIDs to the keys used in the above maps, used for validation purposes.

Grade mappings for section grade distributions, mapping is MAP[SEMESTER] -> MAP[SUBJECT + NUMBER + SECTION] -> GRADE DISTRIBUTION.

Matcher container, matchers must be in order of precedence NOTE: PARENTHESES ARE OF HIGHEST PRECEDENCE! (This is due to groupParens() handling grouping of parenthesized text before parsing begins).

Requisite parser closures associated with courses.

Main dictionaries for mapping unique keys to the actual data.

Regex matcher object for requisite group parsing.